As Functional Manager for the Department of Defense (DoD), DSS provides security education, training, certification, and professional development for DoD and for other U.S. Government personnel, contractor employees, and representatives of foreign governments.
Vertigo is the most common type of dizziness. The most common diseases that result in vertigo are benign paroxysmal positional vertigo (BPPV), MÃ©niÃ¨re's disease, and labyrinthitis. Less common causes include stroke, brain tumors, brain injury, multiple sclerosis, and migraines.
A. Vertigo is a term that means there is a feeling as if in a spin. Dizziness describes any lack of stableness, not necessarily a true spinning sensation. There are two types of vertigo: subjective and objective. Subjective vertigo is when a person feels a false sensation of movement.